Two long straight wires, each carrying an electric current of 5 A, are kept parallel to each other at a separation of 2.5 cm. Find the magnitude of the magnetic force experienced by 10 cm of a wire.

A. 4.0×10⁻⁴ N
B. 3.5×10⁻⁶ N
C. 2.0×10⁻⁹ N
D. 2.0×10⁻⁵N